Suggestions for Xypic

The following packages have something in common with the package Xypic. The packages are ordered in decreasing similarity.

Package dcpic: Commutative diagrams in a LaTeX and TeX documents
Package xymatrix: Commutative diagrams using XY-pic
Package borceux: Diagram macros by François Borceux
Package diagxy: Diagram macros by Michael Barr
Package taylor: Macros for category-theoretic diagrams
Package commutative-diagrams: CoDi: Commutative Diagrams for TeX
Package circ: Macros for typesetting circuit diagrams
Package kuvio: Drawing macros and fonts for diagrams
Package chemfig: Draw molecules with easy syntax
Package chess-problem-diagrams: A package for typesetting chess problem diagrams
Package pb-diagram: A commutative diagram package using LAMS-TeX or Xy-pic fonts
Package dynkin-diagrams: Draw Dynkin, Coxeter, and Satake diagrams using TikZ
Package expex: Linguistic examples and glosses, with reference capabilities
Package dirtree: Display trees in the style of windows explorer
Package musixtex: Sophisticated music typesetting
Package syntax-mdw: Typeset syntax descriptions
Package chronosys: Drawing time-line diagrams
Package sfg: Draw signal flow graphs
Package autoaligne: Align terms and members in math expressions
Package epsf: Simple macros for EPS inclusion
Package hlist: Horizontal and columned lists
Package soul: Hyphenation for letterspacing, underlining, and more
Package systeme: Format systems of equations
Package xlop: Calculates and displays arithmetic operations
Package arrayjob: Array data structures for (La)TeX
Package schemata: Print topical diagrams
Package amscd: AMS-LaTeX commutative diagrams
Package amscdx: Enhanced commutative diagrams
Package qcircuit: Macros to generate quantum ciruits
Package pst-soroban: Draw a Soroban using PSTricks
Package pst-dbicons: Support for drawing ER diagrams